The MC Mansion series is directed by Director Morikawa Kei and planned by Hypnotist Researcher. Yoshimura, the head of planning and development at MC Corporation, has become the manager of an apartment building and is experimenting with hypnotism goods. A woman finds out about this and warns him, but he uses the hypnotism light to turn the woman into a sex slave. He tries out a new type of special masturbator to increase her sensitivity and make her horny, enjoying some intense perverted play...